<mat-toolbar color="primary">
    <app-nav-header (sideopened)="onSideOpened($event)"></app-nav-header>
  <mat-toolbar-row class="toolbar-tab-row">
    <app-nav-tab-bar></app-nav-tab-bar>
  </mat-toolbar-row>
</mat-toolbar>
<mat-sidenav-container class="example-container" autosize>
  <mat-sidenav mode="side" [opened]="sideOpened"  class="example-sidenav">
    <app-left-nav></app-left-nav>
  </mat-sidenav>
  <mat-sidenav-content class="example-sidenav-content">
    <router-outlet></router-outlet>
  </mat-sidenav-content>
</mat-sidenav-container>
<mat-toolbar class="example-footer">

</mat-toolbar>
